Question

x²+8=0
me ayudann
4x²-7=29​

Answer 1

Explicación paso a paso:

$4 {x}^{2} - 7 = 2 9 \\ 4 {x}^{2} = 29 + 7 \\ 4 {x}^{2} = 36 \\ {x}^{2} =36 \div 4 \\ { x}^{2} = 9 \\ x = \sqrt{9 } \\ x = 3$